Identifying the ISSU method ······························································································································· 135
Verifying feature status ······································································································································· 135
Understanding ISSU guidelines ························································································································· 136
ISSU task list ························································································································································· 140
Decompressing an .ipe file ································································································································· 140
Committing software changes ···························································································································· 143
Verifying software images ·································································································································· 143
Displaying and maintaining ISSU ······························································································································ 144
Standalone mode ················································································································································ 144
IRF mode ······························································································································································· 145
Troubleshooting ISSU in IRF mode ····························································································································· 146
Failure to execute the issu load/issu run switchover/issu commit/install activate/install deactivate command
·············································································································································································· 146
Feature upgrade example ·································································································································· 186
Feature upgrade example ·································································································································· 188
Feature upgrade example ·································································································································· 193
Using automatic configuration ······························································································································· 201
Overview ······································································································································································· 201
Automatic configuration task list ································································································································· 201
Configuring the file server ··········································································································································· 202
Host name file ······················································································································································ 202
Configuration files ··············································································································································· 202
Script files ····························································································································································· 203
Configuring the DHCP server ······································································································································ 203
Configuration guidelines ···································································································································· 203
Configuring the DNS server ········································································································································ 205
Configuring the gateway ············································································································································ 205
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